Unit:
毫米(mm) |
| ①,The connection with the associated cylindrical internal thread according to DIN 158 is self-sealing; when using the standard thread according to DIN 13 part 1 or the fine thread part 5, a sealant is required. The short version of the external thread - deviating from DIN 158 - has a smallest usable thread length of 4 mm. ②,Conical grease nipples with Whitworth pipe thread are no longer to be used for new designs. The distance to the reference plane is (1.5 ± 0.5) mm. ③,At the choice of the manufacturer. ④,For material with a tensile strength of more than 500 N / mm², the core hole must be made up to a maximum of 0.2 mm larger than specified. |
